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[AMPS] Thar she blows

To: <amps@contesting.com>
Subject: [AMPS] Thar she blows
From: 2@vc.net (measures)
Date: Mon, 14 May 2001 15:32:32 -0700
>
>> I gather SB220 have a reputation for good tube life, altho the available
>> voltage means tubes are slightly under run.
>
>How about 45% under run, Dr. Barry!
>Too bad most amps on the commercial market today have no such
>headroom in power or cooling.
>
>I have worked on many of the Heath SB series amps. A lot of the
>tubes are 25 + years old, and still going strong. Most of the tube
>failures I have seen in Heath gear are from mistreatment and
>failure of other components.
>
>(((73)))
>Phil, K5PC
>
? The failure of which components, Phil?  //   Most of the 3-500z 
failures that I have seen are due to a fil./grid short following a 
'big-bang'.
>
cheers

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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